Class: JLDrill::Problem

Inherits:
Object
  • Object
show all
Defined in:
lib/jldrill/model/Problem.rb

Overview

Represents a single question/answer pair in a quiz

Direct Known Subclasses

KanjiProblem, MeaningProblem, ReadingProblem

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(item) ⇒ Problem

Returns a new instance of Problem.



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# File 'lib/jldrill/model/Problem.rb', line 10

def initialize(item)
    @item = item
    @level = -1
    @requestedLevel = -1
    @questionParts = []
    @answerParts = []
    @vocab = item.to_o
    @displayOnly = false
    @preview = false
end

Instance Attribute Details

#answerParts ⇒ Object (readonly)

Returns the value of attribute answerParts.



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# File 'lib/jldrill/model/Problem.rb', line 6

def answerParts
  @answerParts
end

#item ⇒ Object (readonly)

Returns the value of attribute item.



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# File 'lib/jldrill/model/Problem.rb', line 6

def item
  @item
end

#level ⇒ Object (readonly)

Returns the value of attribute level.



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# File 'lib/jldrill/model/Problem.rb', line 6

def level
  @level
end

#questionParts ⇒ Object (readonly)

Returns the value of attribute questionParts.



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# File 'lib/jldrill/model/Problem.rb', line 6

def questionParts
  @questionParts
end

#requestedLevel ⇒ Object

Returns the value of attribute requestedLevel.



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# File 'lib/jldrill/model/Problem.rb', line 6

def requestedLevel
  @requestedLevel
end

Instance Method Details

#answer ⇒ Object 



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# File 'lib/jldrill/model/Problem.rb', line 146

def answer
    evaluateParts(@answerParts)
end

#assign(value) ⇒ Object 



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# File 'lib/jldrill/model/Problem.rb', line 26

def assign(value)
    @item = value.item
    @level = value.level
    @requestedLevel = value.requestedLevel
    @questionParts = value.questionParts
    @answerParts = value.answerParts
    setDisplayOnly = value.displayOnly?
    setPreview = value.preview?
end

#contains?(vocab) ⇒ Boolean

Returns true if the current problem contains the vocabulary passed in.

Returns:

  • (Boolean) 


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# File 'lib/jldrill/model/Problem.rb', line 75

def contains?(vocab)
    return @vocab.eql?(vocab)
end

#displayOnly? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/jldrill/model/Problem.rb', line 118

def displayOnly?
    return @displayOnly
end

#eql?(value) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/jldrill/model/Problem.rb', line 36

def eql?(value)
    return @item == value.item &&
        @level == value.level &&
        @requestedLevel == value.requestedLevel &&
        @questionParts == value.questionParts &&
        @answerParts == value.answerParts &&
        displayOnly? == value.displayOnly? &&
        preview? == value.preview?
end

#evaluateAttribute(name) ⇒ Object 



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# File 'lib/jldrill/model/Problem.rb', line 99

def evaluateAttribute(name)
    retVal = eval("@vocab." + name)
    if retVal.nil?
        retVal = ""
    end
    return retVal
end

#evaluateParts(parts) ⇒ Object 



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# File 'lib/jldrill/model/Problem.rb', line 107

def evaluateParts(parts)
    retVal = ""
    parts.each do |part|
        value = evaluateAttribute(part)
        if !value.empty?
            retVal += value + "\n"
        end
    end
    retVal
end

#largeReading? ⇒ Boolean

By default, don’t print the reading in large print

Returns:

  • (Boolean) 


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# File 'lib/jldrill/model/Problem.rb', line 164

def largeReading?
    return false
end

#name ⇒ Object

Override in the concrete classes



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# File 'lib/jldrill/model/Problem.rb', line 22

def name
    return "Problem"
end

#parse(part) ⇒ Object 



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# File 'lib/jldrill/model/Problem.rb', line 51

def parse(part)
    return false
end

#preview? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/jldrill/model/Problem.rb', line 63

def preview?
    return @preview
end

#publishAnswer(target) ⇒ Object 



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# File 'lib/jldrill/model/Problem.rb', line 154

def publishAnswer(target)
    publishParts(@answerParts, target)
end

#publishParts(parts, target) ⇒ Object 



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# File 'lib/jldrill/model/Problem.rb', line 122

def publishParts(parts, target)
    if preview?
        target.previewMode
    elsif displayOnly?
        target.displayOnlyMode
    else
        target.normalMode
    end
    parts.each do |part|
        value = evaluateAttribute(part)
        if !value.empty?
            if ((part == "reading") && (largeReading?))
                target.receive("kanji", value)
            else
                target.receive(part, value)
            end
        end
    end
end

#publishQuestion(target) ⇒ Object 



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# File 'lib/jldrill/model/Problem.rb', line 150

def publishQuestion(target)
    publishParts(@questionParts, target)
end

#question ⇒ Object 



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# File 'lib/jldrill/model/Problem.rb', line 142

def question
    evaluateParts(@questionParts)
end

#setDisplayOnly(bool) ⇒ Object 



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# File 'lib/jldrill/model/Problem.rb', line 55

def setDisplayOnly(bool)
    @displayOnly = bool
end

#setPreview(bool) ⇒ Object 



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# File 'lib/jldrill/model/Problem.rb', line 59

def setPreview(bool)
    @preview = bool
end

#status ⇒ Object

Return a string showing what bin this problem is from



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# File 'lib/jldrill/model/Problem.rb', line 80

def status
    retVal = "     "
    bin = @item.bin
    if bin < 4
        if bin == 0
            retVal += "New"
        else
            retVal += bin.to_s
        end
    else
        retVal += "+#{@item.itemStats.consecutive}"
        if @item.schedule.reviewed?
            retVal += ", #{@item.schedule.reviewedDate}"
        end
    end
    retVal += " --> #{@item.schedule.potentialScheduleInDays} days"
    return retVal
end

#to_s ⇒ Object 



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# File 'lib/jldrill/model/Problem.rb', line 46

def to_s
    retVal = "/" + name
    return retVal
end

#valid? ⇒ Boolean

Currently always valid.

Returns:

  • (Boolean) 


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# File 'lib/jldrill/model/Problem.rb', line 159

def valid?
    return true
end

#vocab=(vocab) ⇒ Object 



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# File 'lib/jldrill/model/Problem.rb', line 67

def vocab=(vocab)
    @vocab.assign(vocab)
    @item.setContents(vocab.contentString)
    @item.problemModified(self)
end